WWC (Which Web site Changed) is a tool that visits a user-provided
list of Web sites and notifies the user via email if any of them has
changed. It is designed to be run by cron once a day.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.